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Gul 33 


“Bulletin No. 33 _M. M. LEIGHTON WMSron ko. L9Ck. 


COMMONWSALTH OF PENNSYLVANTA 


ae 


DEPARTMENT OF INTERNAL APPATIRS 
James FP. Woodward, Secretary 


a 








BUREAU OF TOPOGRAPHIC AND GEOLOGICAL SURVEY 
George H. Ashley, State Ceologist 














COAL RESERVES IN FAYETTE COUNTY, PENNSYLVANIA 


LY 3 


By 


John F. Reese 


Tntroduction. 


Tn cofinection with the "Introduction to the Bituminous Coal 
Fields of Pemsylvania"” now being prepared for publication by the 
Pennsylvania Geological Survey, coal reserves of the bituminous fields 
are being computed by Mr. John F. Reese. In order %o render this 
information available at once without waiting for the uncertain date 


Of Printing the report, an abstract of lr. Reese's figures for Payette 


. County is given herewith. All of the information readily available 


at Aflis tine hasbeen used in the computetion, which followed the 
methods used by the Sand Classification Board of the United States 
Geological Survey indits valuation of thé public coal lands. The 


results are given by beds for each township. Por some beds and for 
Some. areas Ahe data are abundant ana the results entirely reliable. 
Bor other beas and areas the data are meager and the results subject 
40 revision as additional data are obtained. All of the data used 

and the computation sheets are permanently filed so that modifications 
of the original figures due to the securing of additional data can be 


Mage readily. 


The figures presented are preliminary and subject to correction 
for any area when that area shall be studied in detail. In the mean- 
time critical examination of the figures is invited in order that the 


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Sa en-oe 
ct oO 

Bette 

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- 
results may be made as accurate as po No that end the Survey 
will welcome every bit of information now in its possession. 
Records of drillings and other data will be kept strictly confiden- 
tial if so desired, although the Bureau naturaily prefers to be able 
to use data freely. ; 


a Gare, 


George H. Asnley. 








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Coal Beds. 


Fayette County has seven coal beds that can be considered of 
economic value at the present time.’ In order of importance as sShip- 
ping coals, they are the Pittsburgh, Sewickley, Upper Kittanning, 


Lower Kittanning, Upper Freeport, Waynesburg, and Redstone. 


Pittsburgh Coal. The extensive development of this bed anda its 
outcrop throughout the county have furnished many measurements oF its 
thickness, making possible an accurate and reliable computation of 
quantity. For some localities no information is available as to the 
Size of mined-out areas and an estimate of probable depletion has 
been baseG upon the age of development and the size of surrounding 
operations in these particular sections or on the difference between 
original areas and statements of areas unmined. 


sewickley Coal. The outcrop and development of this bed have 
given many reliable measurements of thickness, The Sewickley is 
considered of value as a shipping coal in eight tovnmships. Many 
mines have been opened in this bed in recent years, and its economig¢ 
‘value as a producer of fuel for industrial purposes is second to that 
of the Pittsburgh coal. 


Upper Kittanning Coal. A fair amount of data regarding the 
thickness of this bed has been gathered from the mines and outcrop 
along the Youghioghneny River in the Confluence-Indian Creek region. 
It has been considered and calculated as of economic value only in 
Stewart and Henry Clay townships. Future Gevelopment and prospecting 
may show that it is mineable in other townships west of Chestnut 
Ridge. 


bower Kittanning Coal. The development and prospectin 


OQ 


ofthis 
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Yeo0ai in the Conflvence-Indian Creek region have furnished a fai 
number of measurements of thicknesses. It has been computed as of 


economic value in four townshivs, namely Saltlick, Springfield, 
Stewart and Henry Clay. Future prospecting may show that it is 
mineabie in other tovmshinps. 


Upper Freeport Coal. This bed contains, th 


by 


ey 


e eatest reserve 
in the county. Its extensive outcrop along the Chest 
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1estnut and Laurel 
ridges gives numerous opportunities for measurements, making fairiy 
reliable computation of quantity possible. It is assumed that the 
continuity of this bed is unbroken from the west slope of Chestnut 

co 

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Ridge to Monongahela River. Core drill holes along the river prove 
ta 


its existence in that region. The tonnage computations are based on 
many measurements along the outcrop and on an assumed thickness of 


42 inches under the townships bordering the river. 


Because of the Imowm variability in thickness of the bed, a 
conservative estimate of the percentage of the bed recoverable by 
mining has been used in computing the tonnage. This bed will assume 
greater importance as a shipping coal in the near future, because of 
the rapid depletion of the Pittsburgh coal. 


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Waynesburg Coal. 4, fairly reliable estimate of quantity is 
made possible am the number of measurements along the extensive out- 
crop of this bed. Because of its accessibility the Waynesburg coa 
is mined at many places throughout the county for local use. This 
bed is badly broken by yvartings but where the thickness is fairly 
uniform, there are Several mines that are Shipping this coal for 
industrial purposes. Because of the character of the bed, however, 
it will not become a great producer of shipping coal, and will be of 
less economic value than any of the beds whose quantity has been 
computed. 


Redstone Coal. The outcrop and shaft sections give a fair idea 


LEPC GARE IERGEG Si nama a a. mies 2 ¥ 7 . . a be S an 
of the extent and thickness of this coal. It is not mined for ship- 
ment, but is used for domestic purposes in several localities. 


A conservative percentage of recovery has been used in computing 
the tonnage of this boé tecause when the large Pittsburgh bed under- 
neath is mined out, the Redstone bed will be badly broken by caving 
Of the intervening rocks. For this reason it will never be = greet 
producer although available information shows a good thickness. 


In the near future, as the Pittsburgh bed approaches exhaustion, 
Operations that have pierced this bed with their shafts may develop 
end Mine such of this coal as is available, thereby giving to this 


Coal a higher economic value than it now has. 
Other coal beds than these are mined for local use but as they 


ere not important, and little is known of their extent and thickness, 
they have not been indluded in the computation of the reserves. 


— 4% ty Method of Computing Reserves. 


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gree following method was:used in computing the coal reserves: 
a 


” ; e. 

A. base map for each coal bed was made by tracing its outcrop 
irom the quadrangle maps made by the U. S. Geological Survey. All 
available measurements of a coal bed, gathered from Pederal and-State, 
reports, mine maps, core drill records and personal inspections, were 
plotted on the map of that coal bed at the locality represented. By 
studying the distribution of the figures, areas of ecual thickness 
were platted, and by means of a planimeter, an instrument for measur- 

“ang plane areas, the area of each coal bed in each township was 
measured. The unit used for calculating the quantity of coal in any 
area was 90,000 short tons per inch per square mile. 


Areas from whieh coal has been removed were 


determined from mine 
maps and platted to scale on the base maps. The same 
C 


ay me method as above 
was used for computing the quantity of coal extracted. 
Having calculated tne quantity of coal originally contained 
within the area of any bed and subtracted the quantity; already mined 
out, the writer determined from engineering exverience the probable 
percentage of each bed which covld be recovered in different locali- 
ties. This varies from 50 to 90 per cent, depending on the thiciness 


Canes 











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and-character of the bed. The auantity of coal computed to be in any 


-bed, multiplicd by the assumed percentage of recovery, less 15 per 


cent for loss in mining, gives the estimated recoverable tonnage. 


Coal Reserves. 


The result of computing the coal reserves in Fayette County 


_ based on the latest maps, engineering data, and methods is shown in 


J 


the accompanying tables. 


Coal Reserves in Favette County in Short Tons 





Bed Original Deposit Mined out Recoverable 
OC asia me 
Pittsburgh 2,087,772 ;000 878 ;030 ; 000 919 ; 300 ; 000 
Sewickley | 194-175 ;000 10 ; 132 ;000 123-600 ;000 
Preeport Wie Opoe Loa. UOU 1,650,000 1,029;000;000 
Redstone 151; 380; 000 "---=- 75,700; 000 
Waynesburg 316 ; 854 ; 000 3-216 ;000 199 ;800; 000 
Upper Kittanning 89 -280;000 2;016 ;000 59-000 ; O00 
Lower Kittanning 302,120,000 4,500,000 - 198,000,000 
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LOGE L 5,229,734, 000 899 ,544 000 2,604 ,400 , O00 
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‘The total area of Fayette County is 824.0 square miles. 


Bre Jargetable gives the estimated recoverable tonnage by beds 


ws @nd téirships. ~The figures have been given as computed. It should 
- however be distinctiy*understoeod that ‘while the acreage of each of 


the beds has been accurately computed, the reliability of the average 
thickness of the coals used in the computation of tonnage decreases 
for the beds in the following order: Pittsburgh, ‘Sewickley, ‘Waynes-° 
burg, Freeport, Uprer Kittanning, Lower Kittanning, Redstone... Thus, 
while the figures for the Pittsburgh bed are conservative and prob- 
ably reliable, the figures for the Preeport ci eming, and Redstone 
coals may he much too small or many tims 3, large in various tom» 
Ships. i 

Detailed tables of the coal reserves in each township have been 
prepared and will appear in printed form in the report now being 
written on the bituminous coal fields of the State. They can be 
consulted in the office of the Survey; or figures for a single tower 
Ship will be sent on request. 





























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Summary of Recoverable Coal in Fayette County in Short Tons 


Twp » 





Brownsville 
Bullskin 


Connellsville City 


Connellsville 
Dunbar 
Franklin 
“Georges 
German 
Henry Clay 
Jefferson 
Lower Tyrone 
- Luzerne 
Menallen 
Nicholson 
North Union 
Perry 
Redstone 
Saltlick 
south Union 
springfield 
springhill 
Stewart 


Uniontown City 


Upper Tyrone 
Vashington 
Wharton 


att Twp. 


Brovmsville 
Bullskin 








Connellsville City 


Connellsville 
Dunbar 
Franklin 
Georges 
German 
Henry Clay 
Jetferson 
ower Tyrone 
Luzerne 
Menallen 
Nicholson 
North Union 
Perry 
Redstone 
Saltlick 
South Union 
Springfield 
Springhill 
Stewart 


Uniontown City 


Upper Tyrone 
Washington 
Wharton 





1,000,000 


15 ;000;000 
7,600 , 000 


28 , 000 , GOO 
,600, 2008 


4.7 ;800;000 
3, 000, 000 


12.000 -000 
4-800 ; COO 
61,000 , C00 


1,000,000 


3,000,000 


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34,000,000 


25 000, 000 








32,000 ,000 


60,000,000 
86 ,000 , 000 
20,000,000 





Pittsburgh Sewickley Yreeport Redstone 
6 :900;000 4 -000;000 
5 -600:000 35 -700 -000 
1; 300;600 2: 400-000 
745200; 000 eae 13-460 , 000 
2 -700:000 8 ; 300 ; 000 91,509 ;000 
12, ;200 , 000 2 “A00 : -OC0O 7-000 ; 000 : 
“700 : 000 246007000 87-000 2000 3,600,000 
131 300,000 56 -000-000 
i i bow O00 ; OOO ; ’ 
75-600 ;000 34000;000 24,700,000 
5 ;600; 000 40 ;000 ; 000 
200 ;000; 000 48-000 ;000 
25 ; 500 ; 000 ; 43-000 ;.000 
27 -600;000 3-000:000 33:000;000 : 
DT 35007 G00 25 ; 000; COO ee -000;000 19;800;000 
13-700: 000 ©'600,000 48:000:000 9,600,000 
135,000,000 40000000 
eh Poe 1.000 :000 
37,200,000 23,000,000 36-;000;000_ 8, 000, 000 
Sie: Tee 2-000 ; 000 
26 , 000,000 1,400 , 000 ge Ode: 000 
. 16 ; 000; 000 
5-300 ; 000 3 300,000 3-:000;000 
10 ; 000 ;000 21-000; 000 Aa 
26 700 000 16 :000;000 10,000,900 
ee ——_—x_— =" Saeed OR 
aye suur g UKittanning L.Kittaming Total 


dial 900000 
41 ;300 ; 000 
3 ;700 ; 000 
18 ; 300 ; 000 
207 ;500, 000 
89 -200;000 
164 ;900; 
205 ; 300; 000 
pe I “000 
149 °900:0( 00 


nr A 
‘600 ; 000 


209 @) 400 


78, -700 ;000 

37-000; 900 
ie “000; O00 
105; 200 ; “000 
98 “000; “O00 

*O. “A 00-000 
O00 
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